... equipment, which is composed of Bulk Material Suction (Negative Pressure) and Pneumatic Conveying Equipment. This pneumatic conveying equipment ... materials in many industries like building materials, foodstuff (grain and cereal, etc.), power, chemistry, fuel, metallurgy, etc. ... , grain, non-conbustible, non-explosive, innoxious powder and granular stuff.When being in operation, it can discharge ...